# statistics alive question

Aug 23rd, 2015
Anonymous
Category:
Mathematics
Price: \$10 USD

Question description

Betty, an employee of Shining Sun Daycare Center, read an article in Healthy Child Magazine saying that the average 3-year-old child is 37 in. tall. Betty works with 3-year-olds at Shining Sun, so later that week, she measured the height of each child who had just turned or was about to turn 3 years old. Here are their heights in inches: 41, 40, 36, 42, 39, 38, 33, 44, 39, 41.

• a. State the nondirectional hypothesis.
• b. Determine the critical t for α = .05.
• c. Calculate t. Show your calculations.
• d. Is the height of 3-year-olds in Shining Sun Daycare Center significantly different from the height given in the magazine?

(Top Tutor) ldtambasco
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